Everything you need to improve speed.
Divide work into projects or business areas. Share reports and collaborate on speed.
Forget testing in production. Know the speed impact of your work without leaving GitHub.
See how different people experience your sites. Emulate connection speed, devices, test location and more.
Create trackable goals. Get notified when you meet or exceed them.
Quickly create and share one-off test results with no log-in required.
No more data crunching! Receive summaries of speed changes directly to your inbox.
Use the best speed auditing tools. No scripting and maintenance required.
Track modern metrics that impact your search engine ranking.
Identify long-running tasks that block JavaScript execution.
Quickly find how external tools and scripts affect your speed. Swap slow for fast.
Find best or worst performing Pages. Benchmark against your competitors.
Test across 17 global locations. Discover where your customers’ experience needs most work.
Control access with three different roles. Grant management or view-only privileges.
We keep your monitoring data for the lifetime of your account.
Export your data in CSV. Get more visualisation options in tools you know and love.
Test as often as you need. Daily, hourly or at a selected interval.
Always trust your metrics. An AI-powered test verification engine re-tests results when an anomaly is detected.
Track unlimited URLs at no extra cost, no matter your plan.
See historical performance data for each metric for up to 6 months.
Block ads and third party resources to establish a performance baseline.
Find out the parse, compile and execution cost of internal and vendor scripts.
Authenticate to protected sites with cookies, custom headers or form log-ins.
Watch your sites load to see speed opportunities and bottlenecks.
Use fixed IP addresses to ensure requests are securely coming from Calibre.
Dig into downloaded assets and learn how to optimise their delivery.
Download HAR files to understand connectivity and transfer issues.
Automate your performance system with modern, developer-first CLI tooling.
Install our npm package to use Calibre directly in Node.
Add webhooks to retrieve Snapshot data securely through HTTP.
Add markers to your charts. Correlate deployments to improvements or regressions.
Get timely notifications about account activity and monitoring data. Never miss an important speed change.
Receive instant alerts about new Snapshots and performance budget status.
Use Pull Request Reviews without any work when deploying Jamstack applications and websites.
Trigger Snapshots after a Netlify deploy and mark releases on your charts.
Send metrics from Calibre to Geckoboard. Visualise performance KPIs in your office.
We encrypt all of your data at rest in both our databases and file storage.
Calibre is available when your business needs it. Always.
We comply with EU’s General Data Protection Regulation (GDPR) laws.
Sign up and log in with your Google account on every Plan tier.
Easily onboard your team using any SAML-compatible identity provider.
Nothing to install. Receive your first report in minutes.